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CVE-2026-24426— Tenda AC7 Reflected XSS via Web Interface Output Encoding

Quick assessment

Affected
Shenzhen Tenda Technology Co., Ltd. Tenda AC7
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Tenda AC7是中国腾达（Tenda）公司的一款无线路由器。 Tenda AC7 V03.03.03.01_cn及之前版本存在跨站脚本漏洞，该漏洞源于Web管理界面存在输出编码不当，可能导致在受害者浏览器环境中注入任意HTML或JavaScript。

AI Predicted 4.3 Difficulty: Easy EPSS 0.22% · P12

Possible ATT&CK Techniques 1 AI

T1059 · Command and Scripting Interpreter

Affected Version Matrix 1

VendorProduct Version RangeStatus
Shenzhen Tenda Technology Co., Ltd. Tenda AC7 ≤ 03.03.03.01_cn affected
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I. Basic Information for CVE-2026-24426

Vulnerability Information
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Vulnerability Title
Tenda AC7 Reflected XSS via Web Interface Output Encoding
Source: CVE Program / CVE List V5
Vulnerability Description
Shenzhen Tenda AC7 firmware version V03.03.03.01_cn and prior contain an improper output encoding vulnerability in the web management interface. User-supplied input is reflected in HTTP responses without adequate escaping, allowing injection of arbitrary HTML or JavaScript in a victim’s browser context.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N
Source: CVE Program / CVE List V5
Vulnerability Type
在Web页面生成时对输入的转义处理不恰当(跨站脚本)
Source: CVE Program / CVE List V5
Vulnerability Title
Tenda AC7 跨站脚本漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Tenda AC7是中国腾达（Tenda）公司的一款无线路由器。 Tenda AC7 V03.03.03.01_cn及之前版本存在跨站脚本漏洞，该漏洞源于Web管理界面存在输出编码不当，可能导致在受害者浏览器环境中注入任意HTML或JavaScript。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
Shenzhen Tenda Technology Co., Ltd. Tenda AC7 0 ~ 03.03.03.01_cn -

II. Public POCs for CVE-2026-24426

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III. Intelligence Information for CVE-2026-24426

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Same Patch Batch · Shenzhen Tenda Technology Co., Ltd. · 2026-02-03 · 4 CVEs total

CVE-2026-24441 Tenda AC7 Transmits Admin Credentials Without HTTPS Protection
CVE-2026-24427 Tenda AC7 Exposes Admin Credentials in Configuration Responses
CVE-2026-24434 Tenda AC7 Web Interface Lacks CSRF Protections for Admin Actions

IV. Related Vulnerabilities

Same product: Tenda AC7
Same vendor: Shenzhen Tenda Technology Co., Ltd.
Same weakness: CWE-79

V. Comments for CVE-2026-24426

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